Over 10,000+ customers' choice, Focus on screening industry 40+ years
For equipment components that come into direct contact with whey protein powder, material selection is the first line of defence.
304/316L food‑grade stainless steel is a mandatory requirement. All parts that contact materials must be made of food‑grade stainless steel, typically 304 or 316L grade, with surface finish meeting easy‑to‑clean and residue‑free standards. For nutrient‑rich, microorganism‑prone materials like whey protein, 316L stainless steel – with its added molybdenum content offering superior resistance to chloride ions – is the preferred choice.
Surface finish is non‑negotiable. Equipment surfaces should be finely polished to a surface roughness of Ra≤0.8μm. Smooth surfaces resist material adhesion, reducing residue and bacterial growth, and are easy to clean thoroughly. All corners should use rounded transitions – eliminating dead corners.
Traceable materials. All stainless steel materials should be supplied with traceable material certificates, ensuring compliance and reliable quality from the source.
The rationality of equipment structural design directly determines the level of cross‑contamination risk.
Eliminate dead corners. The equipment interior should have no dead corners and no exposed bolts – all welded joints should be polished to ensure material cannot accumulate inside the equipment. Gaofu's dust‑free feeding station is designed to hygienic standards – with smooth internal surfaces and no dead corners – thoroughly eliminating cross‑contamination risks caused by equipment contamination.
Detachable design for thorough cleaning. All equipment components should support quick disassembly, enabling thorough cleaning of every part that contacts materials. For production lines requiring frequent changeovers between different product types (such as whey protein, soy protein, pea protein, etc.), detachable design means shorter cleaning times and lower cross‑contamination risks.
Tight sealing design. All equipment connections should use high‑quality seals to ensure the airtightness of the entire feeding system. In whey protein workshops, the reliability of seals directly determines the risk level of dust leakage and cross‑contamination.
Whey protein powder is an ultra‑fine powder (particle fineness can reach 43 microns) – during feeding, it readily generates dust. Once dust escapes into the workshop air, it not only pollutes the environment but can also be carried by air currents to other areas, causing cross‑contamination between different materials.
Fully enclosed feeding. Gaofu's dust‑free feeding station features a fully enclosed operating cabinet – operators complete bag opening and tipping inside the enclosed space, with the external area physically isolated from the feeding process. This design structurally blocks the path of dust dispersion into the workshop.
Micro‑negative‑pressure dust collection. The equipment maintains a micro‑negative pressure during feeding – dust generated is directionally drawn into the filtration system rather than escaping. Dust collection efficiency reaches 99.9%, with dust concentration controlled to ≤0.1 mg/m³. This active collection method is more effective than simply relying on an enclosed structure – as soon as dust is generated, it is captured and processed, with no opportunity to disperse.
Fully enclosed conveying. After feeding is completed, material is delivered directly to the next process through enclosed piping – completely isolated from the external environment throughout. No manual handling – eliminating material exposure and cross‑contamination risks during transfer.
Whey protein production workshops typically handle multiple product varieties – whey protein, soy protein, pea protein, collagen, and more – with frequent changeovers between different materials. How to complete thorough equipment cleaning in the shortest possible time is a core challenge in cross‑contamination prevention design.
Hygienic‑grade design. Gaofu's dust‑free feeding station is designed to hygienic standards – with a dead‑corner‑free, easy‑to‑clean, residue‑free structure. Smooth surfaces resist material adhesion – cleaning is simple and efficient.
Quick‑release structure. All equipment components use a quick‑release design – operators can quickly disassemble and reassemble without special tools. After cleaning, the equipment can be rapidly returned to operation, shortening changeover downtime.
CIP (Clean‑In‑Place) capability. For production scenarios with higher hygiene requirements, the dust‑free feeding station can be configured with CIP functionality – using purified water or food‑grade cleaning agents to circulate‑clean the equipment interior. Residue after cleaning can be controlled to very low levels, meeting the requirements of multi‑product co‑production.
Whey protein is a food allergen – special considerations must be made in workshop layout and equipment design.
Physical isolation. Raw materials containing whey protein should be physically isolated from general raw materials – with a dedicated feeding area and clear labelling. Gaofu's dust‑free feeding station's fully enclosed design is itself an effective physical isolation measure – material is fed and conveyed in an enclosed system, with no cross‑contact with the workshop environment or other materials.
Dedicated equipment or dedicated components. For production lines requiring frequent changeovers between allergen‑containing and non‑allergen‑containing materials, dedicated feeding equipment is recommended – or dedicated feeding components (such as screens and seals) for different materials – to avoid cross‑contamination from allergen residue.
Cleaning validation. After each product changeover, the equipment should be thoroughly cleaned and cleaning validation performed – ensuring allergen residue is below safe levels.
Food Industry Client Testimonials
Nestlé, CP Group, Haitian Flavour & Fragrance, Yihai Kerry, Yili, Mengniu,Shuanghui, Wahaha, Master Kong, Want Want, Anjoy Foods, Angel Yeast,Yangyuan Foods, Uni-President Enterprises, Qiaqia Food, Luhua Group,Alpenliebe, Golden Monkey, Orion, Xizhilang,Sanquan Foods, Synear Food, Oishi, Wong Lo Kat, Yanjing Beer, Seamild,Jinpai, Chubang, Hengshun Vinegar Industry, Longda Group, Beijing Daoxiangcun, Anhe Dairy,Weiwei Group, Xiangpiaopiao, Maiquer, Tianbing, Binqi Food, Ligao Okun
Fortune 500 Client Testimonials
CNPC、CSCEC、Sinochem Holdings、CRCC、China Minmetals Corporation、CNOOC、CR、Sinopharm、CHN Energy、COFCO Corporation、Huawei Technologies、PowerChina、CITIC Group、Wuchan Zhongda Group、NORINCO、Chalco、CNBM、 Shaanxi Coal and Chemical Industry Group、Ansteel Group、CETC、CSSC、CASC、CEC、Jinchuan Group、CASIC、Conch Cement、CNNC、SPH、Shanxi Coking Coal Group、 Zhongtai Chemical、GPHL、DEC、Sinosteel Corporation、MCC、China National Salt Industry Chemical、China Baowu Steel Group、China Animal Husbandry Industry Co., Ltd.、CECEP
About Gaofu
Originated in the 1980s, Xinxiang Gaofu Machinery Co., Ltd. has developed into a leading enterprise after more than 40 years of steady development. The company holds authoritative national qualifications including National-level Specialized, Refined, Unique and Innovative Little Giant Enterprise, National Green Factory, National High-tech Enterprise, and National Intellectual Property Advantage Enterprise, and acts as the President Unit of the Vibration Industry Association.
It has established three provincial and municipal R&D platforms: Henan Provincial Industrial Design Center, Henan Provincial Engineering Technology Research Center for Intelligent On-line Screening System, and Xinxiang Municipal Fine Screening Engineering Technology Research Center. Up to now, Gaofu has obtained more than 500 patents covering invention, utility model and design. It has been awarded the Science and Technology Achievement Prize by the Ministry of Industry and Information Technology of China and has participated in drafting and formulating 4 national standards.
Gaofu’s product portfolio covers multiple series and hundreds of specifications, mainly including vibrating screening equipment, conveying equipment and intelligent automatic material handling systems. We provide one-stop overall solutions such as automatic feeding systems, powder supply systems, pneumatic conveying systems, metering and weighing systems, batching systems, micro-ingredient batching systems, water supply systems, oil supply systems, fluid conveying systems, central kitchen powder supply systems, powder conveying systems and feeding systems.
In terms of food production lines, our mature supporting systems cover two major categories: baking production lines and pasta production lines. The baking series includes production lines for bread, cake, crisp cake, croissant, toast, pizza, biscuit and hamburger. The pasta series includes intelligent production lines for steamed buns, stuffed buns, twisted rolls, sesame paste cakes, steamed dumplings, boiled dumplings, fried dough sticks and pies.
Gaofu products sell well across Greater China and are exported to more than 100 countries and regions worldwide, including Russia, Canada, the United States, New Zealand, Japan, Brazil and South Africa. Widely applied in food, pharmaceutical, chemical, metallurgical, building materials, mining, thermal power, environmental protection and other industries, our products have won the trust and recognition of over 10,000 global customers.
Adhering to the corporate mission of improving material quality and efficiency to meet customer needs, Gaofu has long-term stable cooperative relationships with global clients to achieve harmonious and win-win development. At present, Gaofu has become an official qualified supplier of many Fortune Global 500 enterprises, including CNPC, Sinopec, Sinochem Group, China Resources Group, Sinopharm Group, COFCO, China National Building Material, China Aerospace and Jinchuan Group.
